Chucks or sockets – With fluid-pressure actuator – Socket type
Patent
1978-03-14
1980-04-29
Bilinsky, Z. R.
Chucks or sockets
With fluid-pressure actuator
Socket type
279121, B23B 3114
Patent
active
042003008
ABSTRACT:
A chuck has a chuck body rotatable about an axis and formed with a plurality of angularly spaced radially extending inner guides and a plurality of angularly spaced and radially extending outer guides. An inner jaw part wholly received within the chuck body is radially displaceable in each of the inner guides and an outer jaw part projecting axially from the chuck body is radially displaceable in each of the outer guides. An operating element is engaged with all of the inner jaw parts to jointly radially displace them. A coupling member is axially displaceable in each of the inner jaw parts between a coupling position in which each of the inner parts is locked for joint radial movement with the respective outer part and an axially offset decoupling position allowing relative radial displacement of the outer jaw parts and the respective inner jaw parts. These coupling members may be independently operable, or jointly operable by means of a cam ring.
REFERENCES:
patent: 1253224 (1918-01-01), Fisher
patent: 3682491 (1972-08-01), Sakazaki et al.
patent: 4026566 (1977-05-01), Rohm
Bilinsky Z. R.
Ross Karl F.
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